Kairutos, Voidrifter

+1: Create a 0/1 colorless Eldrazi creature token with "Sacrifice this creature: add one colorless mana" and indestructible.
0: Target creature gains Annihilator 1. If the creature already has Annihilator, increase it's Annihilator value by 1.
-5: Search your deck for a legendary Eldrazi creature and place it on the battlefield. It gains Annihilator 2 and haste.